@khanacademy What is the difference between differential calculus and differential calculus (2017 edition) ?
Hey Zach! Hope you're well. This article might help explain the difference: https://khanacademy.zendesk.com/hc/en-us/community/posts/360011294971-Content-Update-June-2018-New-Calculus-Courses … basically we've released an updated version of our calculus content 
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I’m doing great! I love the new course!!! It has already help me so much!
Thanks. Twitter will use this to make your timeline better. UndoUndo
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